Найти точку минимума f(x)=(x-1)^2 \x+2

f(x)=(x-1)^2/(x+2) f`(x)=(2(x-1)(x+2)-(x-1)^2)/((x+2)^2=        =(2(x^2+x-2)-(x^2-2x+1))/((x+2)^2=       =(x^2+4x-5)/((x+2)^2=(x-1)(x+5)/((x+2)^2      +                -                 -                  + ---------[-5]-------(-2)------------[1]-----------           max         перегиб         min   Xmin=1